<!DOCTYPE html>
<html lang="zh-cn">
	<head>
		<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
        <title></title>
		<style>
			
		</style>
		<script>
			let o = {
				a:1,
				b:2
			}

			let obj = {
				c:10,
				...o,
				d:30,
				a:100000
			}

			console.log(obj);


		</script>
	</head>

	<body>
		
	</body>
</html>